Answer:
No nonvascular plants bear seeds, but not all vascular plants bear seeds (Ans A)
Explanation:
Vascular plants having a vascular system that includes phloem and xylem which are helping them to transport food , water and minerals to other parts of the plant. Examples of vascular plants are: Angiosperm (Seed producing plant), gymnosperm (Seed producing plant), Ferns (Non-seed plant), fern is the example of not all vascular plant bear seeds.
Non-vascular plants do not have a vascular system. They also lack true seed, leaves & flowers. Instead of roots they have rhizoids to absorb water and minerals. Examples of non-vascular plants are : Mosses , Liverworts & Hornworts.